Seat locking device



FIG. 1 is a front perspective view of a seat locking device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is the left elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a rear perspective view thereof;

FIG. 8 is top perspective view thereof; and,

FIG. 9 is a bottom perspective view thereof. 

CLAIM The ornamental design for a seat locking device, as shown. 